/// <summary>
/// The main.
/// </summary>
/// <param name="args">
/// The args.
/// </param>
public static void Main(string[] args)
{
// 1. initialize the ISdmxObjectRetrievalManager we will use for retrieving Dataflow and DSD.
// Depending on the implementation, they could be retrieved from the registry or mapping store.
// but in this example we used a simple implementation which retrieves them from files.
IStructureParsingManager parsingManager = new StructureParsingManager();
ISdmxObjects objects = new SdmxObjectsImpl();
using (IReadableDataLocation location = new FileReadableDataLocation("ESTAT+STS+2.0.xml"))
{
objects.Merge(parsingManager.ParseStructures(location).GetStructureObjects(false));
}
using (IReadableDataLocation location = new FileReadableDataLocation("ESTAT+SSTSCONS_PROD_M+2.0.xml"))
{
objects.Merge(parsingManager.ParseStructures(location).GetStructureObjects(false));
}
ISdmxObjectRetrievalManager retrievalManager = new InMemoryRetrievalManager(objects);
// 2. initialize the IDataQueryParseManager implementation.
IDataQueryParseManager parseManager = new DataQueryParseManager(SdmxSchemaEnumType.VersionTwo);
// 3. Create a IReadableDataLocation. Since we work with files we use the FileReadableDataLocation implementation.
IList<IDataQuery> buildDataQuery;
using (IReadableDataLocation readable = new FileReadableDataLocation("query.xml"))
{
// 4. we call BuildDataQuery to process the query.xml and get a list of IDataQuery
buildDataQuery = parseManager.BuildDataQuery(readable, retrievalManager);
}
// below we print to console the contents of each IDataQuery
foreach (var dataQuery in buildDataQuery)
{
Console.WriteLine("Dataflow: {0}", dataQuery.Dataflow.Id);
Console.WriteLine("DSD: {0}", dataQuery.DataStructure.Id);
Console.WriteLine("Maximum number of observations (DefaultLimit): {0}", dataQuery.FirstNObservations);
Console.WriteLine("Has selections: {0}", dataQuery.HasSelections());
Console.WriteLine("(");
foreach (var selectionGroup in dataQuery.SelectionGroups)
{
if (selectionGroup.DateFrom != null)
{
Console.WriteLine("\tPeriod from {0}", selectionGroup.DateFrom);
Console.WriteLine(" AND ");
}
if (selectionGroup.DateTo != null)
{
Console.WriteLine("\tPeriod to {0}", selectionGroup.DateTo);
Console.WriteLine(" AND ");
}
foreach (var selection in selectionGroup.Selections)
{
var s = selection.HasMultipleValues ? string.Join(" OR ", selection.Values) : selection.Value;
Console.WriteLine("{0} = ( {1} )", selection.ComponentId, s);
Console.WriteLine(" AND ");
}
}
}
}
public void TestDownload(string dsd, string dataflow, string query)
{
IStructureParsingManager parsingManager = new StructureParsingManager();
ISdmxObjects objects = new SdmxObjectsImpl();
using (IReadableDataLocation location = new FileReadableDataLocation(dsd))
{
objects.Merge(parsingManager.ParseStructures(location).GetStructureObjects(false));
}
using (IReadableDataLocation location = new FileReadableDataLocation(dataflow))
{
objects.Merge(parsingManager.ParseStructures(location).GetStructureObjects(false));
}
ISdmxObjectRetrievalManager retrievalManager = new InMemoryRetrievalManager(objects);
IList<IDataQuery> buildDataQuery;
IDataQueryParseManager parseManager = new DataQueryParseManager(SdmxSchemaEnumType.VersionTwo);
using (IReadableDataLocation readable = new FileReadableDataLocation(query))
{
// call BuildDataQuery to process the query.xml and get a list of IDataQuery
buildDataQuery = parseManager.BuildDataQuery(readable, retrievalManager);
}
IList<IDataQuery> buildDataQuery1;
foreach (var dataQuery in buildDataQuery)
{
IDataQueryBuilderManager dataQueryBuilderManager = new DataQueryBuilderManager(new DataQueryFactory());
var xdoc = dataQueryBuilderManager.BuildDataQuery(dataQuery, new QueryMessageV2Format());
Assert.IsNotNull(xdoc);
MemoryStream xmlStream = new MemoryStream();
xdoc.Save(xmlStream);
using (IReadableDataLocation readable = new MemoryReadableLocation(xmlStream.ToArray()))
{
// call BuildDataQuery to process the xmlStream and get a list of IDataQuery
buildDataQuery1 = parseManager.BuildDataQuery(readable, retrievalManager);
}
Assert.AreEqual(dataQuery.ToString(),buildDataQuery1[0].ToString());
xmlStream.Flush();
}
}
/// <summary>
/// Gets the data query from stream.
/// </summary>
/// <param name="input">
/// The input.
/// </param>
/// <exception cref="Org.Sdmxsource.Sdmx.Api.Exception.SdmxSemmanticException">
/// Operation not accepted
/// </exception>
/// <returns>
/// The <see cref="IDataQuery"/>.
/// </returns>
protected IDataQuery GetDataQueryFromStream(IReadableDataLocation input)
{
IDataQueryParseManager dataQueryParseManager = new DataQueryParseManager(SdmxSchemaEnumType.VersionTwo);
var dataQuery = dataQueryParseManager.BuildDataQuery(input, this.SdmxRetrievalManager).FirstOrDefault();
if (dataQuery == null)
{
throw new SdmxSemmanticException(Estat.Sri.Ws.Controllers.Properties.Resources.ErrorOperationNotAccepted);
}
return dataQuery;
}
public void TestRestQueryFormat(string dsd, string dataflow, string query)
{
IStructureParsingManager parsingManager = new StructureParsingManager();
ISdmxObjects objects = new SdmxObjectsImpl();
using (IReadableDataLocation location = new FileReadableDataLocation(dsd))
{
objects.Merge(parsingManager.ParseStructures(location).GetStructureObjects(false));
}
using (IReadableDataLocation location = new FileReadableDataLocation(dataflow))
{
objects.Merge(parsingManager.ParseStructures(location).GetStructureObjects(false));
}
ISdmxObjectRetrievalManager retrievalManager = new InMemoryRetrievalManager(objects);
IList<IDataQuery> buildDataQuery;
IDataQueryParseManager parseManager = new DataQueryParseManager(SdmxSchemaEnumType.VersionTwo);
using (IReadableDataLocation readable = new FileReadableDataLocation(query))
{
// call BuildDataQuery to process the query.xml and get a list of IDataQuery
buildDataQuery = parseManager.BuildDataQuery(readable, retrievalManager);
}
IDataQueryFormat<string> structureQueryFormat = new RestQueryFormat();
IDataQueryFactory dataQueryFactory = new DataQueryFactory();
foreach (var dataQuery in buildDataQuery)
{
IDataQueryBuilderManager dataQueryBuilderManager = new DataQueryBuilderManager(dataQueryFactory);
string request = dataQueryBuilderManager.BuildDataQuery(dataQuery, structureQueryFormat);
Assert.IsNotNull(request);
}
}
